i know this looks like science fiction. it's not. >> rose: wow! >> bezos: this is early. this is still years away. it drops the package. >> rose: and there's the package. >> bezos: you come and get your package. and we can do half-hour delivery. >> rose: half-hour delivery? >> bezos: half-hour delivery, and we can carry objects, we think, up to five pounds, which covers 86% of the items that we deliver. >> rose: and what is the range between the fulfillment center and where you can do this within 30 minutes. >> bezos: these generations of vehicles, it could be a ten-mile radius from a fulfillment center. so, in urban areas, you could actually cover very significant portions of the population. and so, it won't work for everything; you know, we're not going to deliver kayaks or table saws this way. these are electric motors, so this is all electric. it's very green, it's better than driving trucks around. this is all an r&d project. >> rose: with drones, there's somebody sitting somewhere in front of a screen. >> bezos: not these; these are autonomous. so you give them inst